Colorado · Boulder County
Past Producer
Longfellow
Boulder County, Colorado, United States
Copper
Gold
Silver
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USGS source ↗
Commodities
Primary
Copper, Gold
Tertiary
Silver
Commodity type
M
Materials
Ore minerals
Gold, Chalcopyrite, Pyrite
Gangue
Quartz
Geology
Host rock
Granite,Pegmatite
Economic & production
Development status
Past Producer
Identification
Deposit ID
10262829
MRDS ID
DC04710
Region
NA
Data score
D
Coordinates
40.13334, -105.36428
References
REF USGS PROF PAPER 223 PLATE 3